MHB What do you call this type of problem?

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Questions that involve analyzing charts or graphs and applying math are often referred to as data interpretation questions. They typically require basic mathematical skills rather than advanced techniques. To improve in this area, engaging with textbooks and reputable publications in fields like economics and geography can be beneficial. Practicing by reproducing or challenging the quantitative claims found in these sources can enhance understanding and skills. Developing proficiency in these types of questions is achievable through consistent practice and critical analysis.
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When you have a question that requires you to look at a chart or graph then answer the question using math what are these types of questions called? are they just word problems or is there another name for them? any advice on how I can get better at doing these types of questions ?
 
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Perhaps they are data interpretation questions?

Usually they require some basic mathematics, but nothing too advanced.

I'm afraid I cannot give you tips to prepare specifically for them, as I never had to, but perhaps the linked article can. In general I would say this is something you can learn by critically looking at textbooks and (good) magazines and newspapers on economics, geography, etc and trying to reproduce (or refute) the quantitative claims made there.
 

Thread 'Significant figures for inherently bound values'

I have been insisting to my statistics students that for probabilities, the rule is the number of significant figures is the number of digits past the leading zeros or leading nines. For example to give 4 significant figures for a probability: 0.000001234 and 0.99999991234 are the correct number of decimal places. That way the complementary probability can also be given to the same significant figures ( 0.999998766 and 0.00000008766 respectively). More generally if you have a value that...
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